🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.6

Radius: 12.7

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.68 AU - 0.92 AU

Year: 494 Days

Day: 6.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,613,451 km

• M1: 157,975 km (0.114 R)
• M2: 614,548 km (0.095 R)
• M3: 1,202,168 km (0.116 R)
• M4: 1,720,974 km (0.118 R)
• M5: 2,197,593 km (0.055 R)
• M6: 2,910,127 km (0.059 R)
• M7: 3,315,538 km (0.097 R)
• M8: 4,035,851 km (0.06 R)
• M9: 4,441,112 km (0.046 R)
• M10: 4,842,782 km (0.103 R)
• M11: 5,823,845 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.6

Radius: 8.9

Gravity: 10.36 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.45 AU - 1.49 AU

Year: 1230 Days

Day: 7.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,613,451 km

• M1: 110,702 km (0.117 R)
• M2: 411,993 km (0.115 R)
• M3: 693,087 km (0.088 R)
• M4: 1,028,785 km (0.071 R)
• M5: 1,365,679 km (0.109 R)
• M6: 1,756,728 km (0.117 R)
• M7: 2,495,891 km (0.103 R)
• M8: 2,999,886 km (0.105 R)
• M9: 3,586,160 km (0.108 R)
• M10: 4,052,606 km (0.098 R)
• M11: 4,672,989 km (0.079 R)
• M12: 5,107,271 km (0.114 R)
• M13: 5,525,248 km (0.118 R)
• M14: 5,808,885 km (0.095 R)
• M15: 6,171,660 km (0.112 R)
• M16: 6,646,185 km (0.109 R)
• M17: 7,455,808 km (0.072 R)
• M18: 8,022,036 km (0.087 R)
• M19: 9,798,361 km (0.061 R)
• M20: 10,247,903 km (0.115 R)
• M21: 12,443,102 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910

Radius: 11.6

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.31 AU - 2.15 AU

Year: 1571 Days

Day: 11.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 178 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,613,451 km

• M1: 144,212 km (0.106 R)
• M2: 579,692 km (0.074 R)
• M3: 1,360,742 km (0.117 R)
• M4: 1,814,173 km (0.093 R)
• M5: 2,445,028 km (0.1 R)
• M6: 3,542,627 km (0.082 R)
• M7: 4,278,798 km (0.07 R)
• M8: 6,452,605 km (0.054 R)
• M9: 6,947,026 km (0.115 R)
• M10: 7,635,924 km (0.117 R)
• M11: 8,552,959 km (0.072 R)
• M12: 9,344,781 km (0.119 R)
• M13: 10,463,922 km (0.045 R)
• M14: 12,092,594 km (0.087 R)
• M15: 12,644,461 km (0.115 R)
• M16: 13,172,093 km (0.081 R)
• M17: 13,884,029 km (0.107 R)
• M18: 14,754,240 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.2

Radius: 9.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.82 AU - 2.2 AU

Year: 1967 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,613,451 km

• M1: 123,119 km (0.082 R)
• M2: 562,039 km (0.073 R)
• M3: 1,190,500 km (0.034 R)
• M4: 1,813,126 km (0.111 R)
• M5: 2,535,684 km (0.104 R)
• M6: 4,207,590 km (0.075 R)
• M7: 4,583,679 km (0.093 R)
• M8: 5,535,121 km (0.096 R)
• M9: 5,872,464 km (0.076 R)
• M10: 6,489,556 km (0.085 R)
• M11: 6,814,033 km (0.08 R)
• M12: 8,022,186 km (0.095 R)
• M13: 9,462,514 km (0.091 R)
• M14: 10,011,688 km (0.034 R)
• M15: 10,344,693 km (0.076 R)
• M16: 11,173,914 km (0.089 R)
• M17: 12,808,719 km (0.106 R)
• M18: 13,440,770 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429

Radius: 13

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 2.2 AU - 2.48 AU

Year: 2471 Days

Day: 8.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,613,451 km

• M1: 172,187 km (0.073 R)
• M2: 651,948 km (0.116 R)
• M3: 1,059,751 km (0.093 R)
• M4: 1,800,261 km (0.06 R)
• M5: 2,383,543 km (0.065 R)
• M6: 2,865,098 km (0.074 R)
• M7: 3,649,290 km (0.079 R)
• M8: 4,695,279 km (0.113 R)
• M9: 5,100,091 km (0.108 R)
• M10: 5,668,413 km (0.066 R)
• M11: 7,206,877 km (0.039 R)
• M12: 8,073,348 km (0.042 R)
• M13: 8,563,281 km (0.12 R)
• M14: 8,975,872 km (0.109 R)
• M15: 10,329,733 km (0.11 R)
• M16: 11,055,731 km (0.117 R)
• M17: 11,469,370 km (0.071 R)
• M18: 12,010,914 km (0.103 R)
• M19: 13,020,251 km (0.073 R)
• M20: 14,216,884 km (0.079 R)
• M21: 15,814,440 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.4

Radius: 8.6

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.67 AU - 2.91 AU

Year: 3217 Days

Day: 13.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,613,451 km

• M1: 107,112 km (0.101 R)
• M2: 408,103 km (0.106 R)
• M3: 814,261 km (0.115 R)
• M4: 1,208,152 km (0.101 R)
• M5: 1,521,560 km (0.071 R)
• M6: 1,889,421 km (0.117 R)
• M7: 2,758,734 km (0.089 R)
• M8: 3,204,386 km (0.1 R)
• M9: 4,858,041 km (0.069 R)
• M10: 5,739,173 km (0.076 R)
• M11: 8,040,586 km (0.078 R)
• M12: 10,816,824 km (0.113 R)
• M13: 11,097,170 km (0.085 R)
• M14: 11,840,671 km (0.027 R)
• M15: 12,181,605 km (0.077 R)
• M16: 12,485,139 km (0.098 R)
• M17: 18,171,055 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.1

Radius: 11.2

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.95 AU - 4.79 AU

Year: 5255 Days

Day: 8.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,613,451 km

• M1: 144,661 km (0.079 R)
• M2: 509,082 km (0.107 R)
• M3: 1,030,430 km (0.112 R)
• M4: 1,584,541 km (0.119 R)
• M5: 2,563,808 km (0.08 R)
• M6: 4,314,103 km (0.112 R)
• M7: 4,695,728 km (0.115 R)
• M8: 5,183,417 km (0.082 R)
• M9: 5,734,834 km (0.084 R)
• M10: 6,454,400 km (0.097 R)
• M11: 7,303,667 km (0.078 R)
• M12: 7,663,600 km (0.054 R)
• M13: 8,775,261 km (0.081 R)
• M14: 10,708,515 km (0.096 R)
• M15: 11,848,451 km (0.105 R)
• M16: 12,549,915 km (0.107 R)
• M17: 15,635,221 km (0.067 R)
• M18: 15,993,359 km (0.098 R)
• M19: 17,544,539 km (0.076 R)
• M20: 18,061,549 km (0.048 R)
• M21: 22,419,036 km (0.109 R)
• M22: 22,874,861 km (0.071 R)
• M23: 25,246,735 km (0.068 R)
• M24: 27,865,446 km (0.114 R)
• M25: 30,289,380 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.3

Radius: 13.3

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.1 AU - 4.36 AU

Year: 6005 Days

Day: 6.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,613,451 km

• M1: 170,242 km (0.057 R)
• M2: 633,098 km (0.1 R)
• M3: 1,184,067 km (0.086 R)
• M4: 1,763,310 km (0.099 R)
• M5: 2,461,334 km (0.089 R)
• M6: 2,922,843 km (0.069 R)
• M7: 3,860,672 km (0.114 R)
• M8: 4,438,120 km (0.108 R)
• M9: 5,470,495 km (0.113 R)
• M10: 6,893,320 km (0.091 R)
• M11: 7,311,446 km (0.115 R)
• M12: 7,895,476 km (0.103 R)
• M13: 8,749,381 km (0.076 R)
• M14: 9,493,032 km (0.063 R)
• M15: 14,642,789 km (0.113 R)
• M16: 19,208,367 km (0.093 R)
• M17: 21,186,499 km (0.074 R)
• M18: 23,767,212 km (0.113 R)
• M19: 29,727,939 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.2

Radius: 4.9

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.52 AU - 6.68 AU

Year: 11704 Days

Day: 21.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,613,451 km

• M1: 60,886 km (0.092 R)
• M2: 257,608 km (0.075 R)
• M3: 457,470 km (0.105 R)
• M4: 752,776 km (0.112 R)
• M5: 1,306,588 km (0.104 R)
• M6: 1,720,376 km (0.12 R)
• M7: 1,965,716 km (0.058 R)
• M8: 2,432,910 km (0.08 R)
• M9: 3,056,733 km (0.094 R)
• M10: 6,820,317 km (0.116 R)
• M11: 11,655,469 km (0.079 R)
• M12: 15,171,618 km (0.077 R)
• M13: 17,169,198 km (0.109 R)
• M14: 17,801,099 km (0.054 R)
• M15: 18,667,421 km (0.1 R)
• M16: 20,797,694 km (0.053 R)
• M17: 21,114,692 km (0.102 R)
• M18: 25,173,881 km (0.065 R)
• M19: 27,008,549 km (0.081 R)
• M20: 30,430,301 km (0.099 R)
• M21: 33,259,197 km (0.077 R)
• M22: 35,803,408 km (0.09 R)
• M23: 36,258,634 km (0.12 R)
• M24: 37,297,292 km (0.115 R)
• M25: 41,775,654 km (0.05 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.7

Radius: 6.1

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.44 AU - 10.48 AU

Year: 16985 Days

Day: 15 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,613,451 km

• M1: 75,846 km (0.058 R)
• M2: 293,960 km (0.075 R)
• M3: 746,793 km (0.113 R)
• M4: 1,199,476 km (0.087 R)
• M5: 2,397,455 km (0.058 R)
• M6: 3,421,154 km (0.093 R)
• M7: 3,908,095 km (0.111 R)
• M8: 4,098,682 km (0.107 R)
• M9: 4,831,263 km (0.074 R)
• M10: 5,051,172 km (0.059 R)
• M11: 6,143,087 km (0.093 R)
• M12: 7,179,950 km (0.08 R)
• M13: 12,979,410 km (0.113 R)
• M14: 13,590,967 km (0.075 R)
• M15: 14,349,727 km (0.074 R)
• M16: 14,608,830 km (0.077 R)
• M17: 15,745,176 km (0.057 R)
• M18: 16,867,310 km (0.101 R)
• M19: 21,382,772 km (0.094 R)
• M20: 22,234,881 km (0.103 R)
• M21: 22,581,948 km (0.087 R)
• M22: 22,844,792 km (0.099 R)
• M23: 24,188,929 km (0.111 R)
• M24: 25,113,892 km (0.118 R)
• M25: 26,062,343 km (0.052 R)
• M26: 29,674,084 km (0.113 R)
• M27: 37,994,867 km (0.114 R)
• M28: 42,751,032 km (0.036 R)
• M29: 44,925,138 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 480 - 17,367 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit